diff --git a/pkgs/tools/security/dirmngr/default.nix b/pkgs/tools/security/dirmngr/default.nix
index 888fa48eab9..ee97bda1906 100644
--- a/pkgs/tools/security/dirmngr/default.nix
+++ b/pkgs/tools/security/dirmngr/default.nix
@@ -12,5 +12,6 @@ stdenv.mkDerivation rec {
 
   meta = {
     platforms = stdenv.lib.platforms.unix;
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }